Clustered Columnstore Indexes – part 22 (“Invisible Row Groups”)

Continuation from the previous 21 parts, starting from http://www.nikoport.com/2013/07/05/clustered-columnstore-indexes-part-1-intro/ Last week on an amazing 2013 edition of PASSCamp in Germany one of the attendees has called my attention to the fact that during hands-on labs he has managed to get…